diff --git a/common/protocol.proto b/common/protocol.proto
index 5e3f208..1c9aaa3 100644
--- a/common/protocol.proto
+++ b/common/protocol.proto
@@ -18,6 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
 
 package OstProto;
+option cc_generic_services = true;
 
 message StreamId {
     required uint32 id = 1;